JEE Main Session-1 Exam 2025 : 28 January Shift-2 Analysis, Review & Question Paper with Answer Key

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JEE Main 2025 January 28 Shift 2 exam is over now. JEE Main 2025 January 28 Shift 2 student feedback and analysis is updated here. Additionally, memory-based unofficial JEE Main 2025 answer key and question paper with solutions for January 28 exam is also uploaded.

Candidates can check the responses of JEE Main January 28, 2025 Shift 2 students, difficulty level of questions, paper analysis, memory-based question paper with answer key and solutions, etc.

Candidates will have to show their JEE Main 2025 Session 1 admit card to enter the JEE Main 2025 exam centre for the shift 2 exam. Additionally, candidates will have to bring a government-issued photo identity card and a passport-sized photograph. Proper adherence to these entry requirements is necessary to attend the exam.

Paper 1 for BE/BTech candidates in JEE Main 2025 will be held on January 22, 23, 24, 28 and 29. Papers 2A and 2B for BArch and BPlan candidates are scheduled on January 30, 2025 from 3:00 PM to 6:30 PM.

👉 JEE Mains 2025 (28 January Shift-2 Physics) Question Paper and Answer Key (Available)

👉 JEE Mains 2025 (28 January Shift-2 Chemistry) Question Paper and Answer Key (Available)

👉 JEE Mains 2025 (28 January Shift-2 Mathematics) Question Paper and Answer Key (Available)

JEE Main Session 1 Memory Based Paper 2025

Exam Dates	Physics	Chemistry	Maths
22 January 2025	Shift - 1	Shift - 1	Shift - 1
22 January 2025	Shift - 2	Shift - 2	Shift - 2
23 January 2025	Shift - 1	Shift - 1	Shift - 1
23 January 2025	Shift - 2	Shift - 2	Shift - 2
24 January 2025	Shift - 1	Shift - 1	Shift - 1
24 January 2025	Shift - 2	Shift - 2	Shift - 2
28 January 2025	Shift - 1	Shift - 1	Shift - 1
28 January 2025	Shift - 2	Shift - 2	Shift - 2
29 January 2025	Shift - 1	Shift - 1	Shift - 1
29 January 2025	Shift - 2	Shift - 2	Shift - 2

JEE Main 28 January 2025 Shift 2 Paper Overall Exam Analysis

For the applicants, the overall exam analysis for JEE Main 28 January 2025 Shift 2 exam has been provided in the table below.

Parameter	Analysis
Overall difficulty level	Easy to Moderate
Difficulty Level of Physics	Moderate
Difficulty Level of Chemistry	Easy
Difficulty Level of Mathematics	Moderate
Topics asked in Physics	Current, Magnetic, Potential, Cector, Electricity, Semiconductor and Gravitation
Topics asked in Chemistry	Periodic Table,Bonding, Mole Concepts, Practical Organic
Topics asked in Maths	Differential Equations,Vector and 3D, Special Sequence, Probability and Matrices

JEE Main Jan 28 Shift 2 Exam Analysis

NTA has concluded the JEE Main shift 2 exam for January 28. As per the students reaction, Physics and Mathematics were moderate. In comparison to Jan 28 shift 1 exam was on the moderate side. The chemistry section in JEE Main Jan 28 shift 2 exam was easy and NCERT based.

Subject	Difficulty level
Physics	Moderate
Chemistry	Easy
Maths	Moderate

JEE Main Jan 28 Shift 2 Exam Student's Reaction

NTA has concluded the JEE Main 2025 Jan 28 exam at 6 PM. As per the student's reaction, shift 2 exam was easy in comparison to shift 1 exam of January 28. All the topics were covered in both shifts. Applicants can now check the JEE Main Jan 28 shift 2 question paper from here.

Physics

Chemistry

Maths

JEE Main 28 January 2025 Physics Shift 2 Question Paper with Answer Key Solutions

Here is JEE Main 28 January 2025 Physics question paper with answer key solutions for Shift 2.

Q.No.	Question	Answers
1	In the given circuit, find l if the potentials at A and B are equals	2 A
2	No of Paramagnetic species among the following is: O ₂,O ₂+O ₂-NO ₂,NO,CO	5
3	How many of the following molecules are polar? CH ₄,CCI ₄,CH ₂CL ₂,H ₂O,NH ₃,H ₂O ₂,O ₂F ₂	5
4	In an electromagnetic wave, the magnetic field is given as B = (√3/2)i + (1/2)j) 30sin(ωt - kz), the corresponding electric field is	(1/2i-√3/2j) 9 x 10 ⁹sin (ωt - kz)
5	The magnetic field B at the centre O of the given arrangement is	+μ _ol/8πa(3π+2)k
6	A balloon system having mass m is moving up with acceleration a, find the mass to be removed from it to have acceleration 3a. (Neglect the volume of mass attached)	ma/3a+g
7	Mass M and radius R of a planet is related with Mass Me and Radius Re of earth as Me= 8Mp and Re= 2Rp. If escape speed for each is 11.2 km/sec, then escape speed of the planet is	5.6 km/sec
8	An equilateral triangle frame of side l is carrying current i, find magnetic field at its centrroid	9μ _oi/2πl
9	The velocity vs time graph of a particle moving along X-axis is plotted as shown. The distance travelled (in metre) by the particle in the interval t= 0 s to t=4 s is	30 m
10	Choose the correct option representing the energy density between the plates of a parallel plate capacitor with plate area A, plate separation d and potential difference V.	∈ _oV ²/zd ²
11	The correct variation of voltage across AB is given by (consider that the threshold voltage of the diode is very small)
12	An electric dipole of moment 6 x 10 ^-6cm is placed parallelly in electric field of strength 10 ⁶N/C. Work done required to rotate the dipole by 180° is X joules, then X is	12
13	Distance between real object and its three times magnified image formed by concave mirror is 20 cm the radius of curvature of the mirror is X cm, then X is	15
14	Select the correct match for dimensions Column-I Column-II A) Angular Momentum I) [MLT ^-2] B) Force II)[ML ²T ^-1] C) Engery III)[ML ^-1T ^-2] D) Pressure IV)[ML ²T- ²]	A-II, B-I, C-IV, D-III
15	In the figure shown the object kept at a distance 13 cm from the interface forms a real image which is double in size. The radius of curvature of the interface is	2/3 cm
16	Due to the bar magnet shown, if the % uncertainty in d is 1%, find uncertainty in the magnetic field at P. [d:10 units, l=10 units]	1.5%
17	A capacitor of capacitance 1 μF is charged to potential of 20 V. Distance between plates is 10μm , then the charge density on plate is	17.7μC/m ²
18	A ring of radius 3 cm has a soap film which is getting evaporated. Light of wavelength λ=580 nm gives minimum transmission every 12 s. Find the rate of evaporation. (Refractive index=1.45)	15π x10 ^-13m ³/s
19	The figure shows a conducting rod sliding on two conducting rails having angle (θ = 60°) in a uniform magnetic field with a constant velocity V. Find n if the motional emf E various with time as E = ct ⁿ.	1

JEE Main 28 January 2025 Chemistry Shift 2 Question Paper with Answer Key Solutions

Here is JEE Main 28 January 2025 Chemistry question paper with answer key solutions for Shift 2.

Q.No.	Question	Answers
1	Consider the following oxides: V ₂O ₃, V ₂O ₄, V ₂O ₅ Change in oxidation state of vanadium when amphoteric oxide reacts with acids to form VO ₄+	2
2	Which has maximum oxidising power among the following	MnO ₄-
3	Number of paramagnetic species among the following is O ₂, O ²⁺, O ^2-NO ₂, NO, CO	5
4	How many of the following molecules are polar? CH ₄, CCl ₄, CH ₂CL ₂, H ₂O, NH ₃, H ₂O ₂, O ₂F ₂	5
5	Which of the following complex is paramagnetic	{NlCl ₄} ^2-
6	30 gm of HNO ₃is added to a solution to prepare 75% w/w solution having density 1.25 g/mL. Volume of solution is	32 mL
7		Both S-Iand S-II statements are correct
8	For an elementary reaction A + B → C + D When volume becomes 1/3rd, rate of reaction becomes	9 times
9		A (i), B (ii), C (iii), D (iv)
10	The correct name of I & II in the following process is:	I- Sublimation II-Deposition
11
12	Which of the following biomolecules doesn't contain C ₁- C ₄glycosidic linkage	Sucrose
13	Consider the following statements Statement I: In law of octaves, elements were arranged in ascending order of their atomic numbers. Statement II: Lothar Meyer, plotted the physical properties against atomic weight. Choose the correct answer from the options given below.	Both Statements I and II are incorrect
14		'C' can give Tollen's test
15	Consider the following oxides V ₂O ₃, V ₂O ₄, V ₂O ₅ Oxidation state of vanadium in amphoteric oxide is	+5
16	The bacterial life grows as per 1st order of kinetics.Which of the following graph is correct between N/N ₀and t?
17	How many of the following will give Benzoic acid on reaction with hot alkaline KMnO ₄?	5
18	By passing current in 600 mL of NaCl solution pH increase to 12. Find current (i) if electrolysis occurs for 10 min/assume 100% efficiency	0.965

JEE Main 28 January 2025 Maths Shift 2 Question Paper with Answer Key Solutions

Here is JEE Main 28 January 2025 Maths question paper with answer key solutions for Shift 2.

Q.No.	Question	Answers
1	Let f(x) = ∫ dx / (x ^1/4(x ^1/4+ 1)) If f(0) = -6, then find f(2) = ?	4[(1/2 ^1/2) - 2 ^1/4+ ln \|1 + 2 ^1/4\| - 6
2	Area bounded between the curves C ₁: x(1 + y ²) - 1 = 0 and C ₂: y ²- 2x = 0 is (in sq. unit)	π/2 - 1/3
3	There are three bags such that bag 1 has 4 white, 6 blue, bag 2 has 6 white and 4 blue and bag 3 has 5 white and 5 blue balls. A bag is randomly selected and a ball is randomly picked out of it, it comes out to be white then probability that selected bag was bag 2.	2/5
4	If S is a set of words formed by all the letters of word "GARDEN", then find the probability that the vowels are not in alphabetical order.	1/2
5	In an isosceles triangle two sides are x + 2y = 4, x + y = 4, then the sum of all possible value of slope of third side of triangle is	2/3
6	If α, β, γ, δ are real numbers such that α + iβ and γ + iδ are roots of the equation x ²- (3 - 2i)x - (2i - 2) = 0 (where i = √-1), then (αγ + βδ) is equal to	2
7	The domain of the function f(x) = sec ^-1(2[x] + 1) is (where [ ^.] represents greatest integer function)	(-∞, ∞)
8	If p is the number of possible values of r such that T _r, T _r+1, T _r+2are three terms of (a + b) ¹²are in a geometric progression and if q is the sum of rational terms in the expansion of (3 ^1/4+ 4 ^1/3) ¹²then (p + q) is	283
9	Let P, be image of parabola P: y ²= 4x with respect to line x + y + 1 = 0. Let the line y + 5 = 0 intersect P _iat A and B. If a is the distance between A and B and d be the area of triangle SAB where S is the focus of parabola P _i. Then (a + d) is	20

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